Finding the Fourth Proportional to 215,642,697.08, 323,609,588.37 and 84,468,702.11
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Solution
The fourth proportional to 215,642,697.08, 323,609,588.37 and 84,468,702.11 is: 126,760,063.24
Step by Step Solution
- Step 1: Write the proportion equation
215,642,697.08 : 323,609,588.37 = 84,468,702.11 : x - Step 2: Convert to fraction form
215,642,697.08/323,609,588.37 = 84,468,702.11/x - Step 3: Cross multiply
215,642,697.08x = 323,609,588.37 × 84,468,702.11 - Step 4: Simplify right side
215,642,697.08x = 27,334,881,918,347,204 - Step 5: Solve for x
x = 27,334,881,918,347,204/215,642,697.08 - Step 6: Final answer
x = 126,760,063.24
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.